Multiobjective optimization of facility layout problem: A new mathematical model
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This paper presents a new multiobjetive mathematical model for optimization of facility layout problem with unequal areas called UA-FLP with fixed dimensions. One of the objectives is the minimization of the material handling cost and the other one is the minimization of the closeness relationships according to factors that are independents of the flows and costs. The validation of the mathematical model was made with problems found in the literature. The result was that the proposed model represents the unequal area facility layout problem with fixed dimensions optimizing the material handling cost and the closeness relationships for small problems and finding good solutions for bigger problems in 10,000 seconds of computer time.
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